define turtlebot1 position
(
  pose [ 0.0 0.0 0.0 0.0 ]
  odom_error [0.03 0.03 999999 999999 999999 0.02]

  size [ 1.3 0.8 2.00 ]
  origin [ 0.0 0.0 0.0 0.0 ]
  gui_nose 1
  drive "omni"
  color "gray"
  block(pose [0.7000 0.000 0.000 0.000 ] color "red")
)
